Resizing Window Height to 0 causes panic.

[MNTRA]

In both Debug and Release, resizing the window height to 0 will cause a panic.

thread 'main' panicked at 'assertion failed: `(left == right)`
  left: `Extent { width: 1280, height: 1, depth: 1 }`,
 right: `Extent { width: 1280, height: 0, depth: 1 }`: Extent state must match extent from view', 
*/.rustupp\toolchains\nightly-x86_64-pc-windows-msvc\lib/rustlib/src/rust\src\libstd\macros.rs:16:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[ncallaway]

For whoever is triaging bugs this appears to be a duplicate of #170

[karroffel]

Thanks! 👍 It does seem like it's a duplicate of #170